The ISM code is part of（）.

Before any loading takes place any signs of the previous cargo should do（）.

Manoeuvring information can not be obtained from（）.

Shipboard Emergency Drills must be carried out at least（）on board cargo ship.

Bales close to the deckhead should be covered to prevent（）.

The circulation around a low pressure center in the Northern Hemisphere is（）.

Which of the following shall not the officers in charge of the navigational watch do?（）

Fog is likely to occur when there is little difference between the dew point and the（）.

According to the relevant regulation, lifeboat should be powered by（）.

Full details of all lights and fog signals are shown on（）.